UPSTREAM: clk: rockchip: rk3036: include downstream muxes into fractional dividers

UPSTREAM: clk: rockchip: rk3036: include downstream muxes into fractional dividers

Use the newly introduced possibility to combine the fractional dividers
with their downstream muxes for all fractional dividers on currently
supported RK3036 SoCs.

Signed-off-by: Xing Zheng <zhengxing@rock-chips.com>
Signed-off-by: Caesar Wang <wxt@rock-chips.com>
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Michael Turquette <mturquette@baylibre.com>
(cherry picked from commit b0158bb27c7b6e9843f541c17b24dbd964b76db6)

Change-Id: Ief8f77ec66c8b281d52d1e19dcd50d2f7b663045